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Finding the Fourth Proportional to 8,788.75, 13,168.53 and 6,186.22

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Solution

The fourth proportional to 8,788.75, 13,168.53 and 6,186.22 is: 9,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.75 : 13,168.53 = 6,186.22 : x
  2. Step 2: Convert to fraction form
    8,788.75/13,168.53 = 6,186.22/x
  3. Step 3: Cross multiply
    8,788.75x = 13,168.53 × 6,186.22
  4. Step 4: Simplify right side
    8,788.75x = 81,463,423.66
  5. Step 5: Solve for x
    x = 81,463,423.66/8,788.75
  6. Step 6: Final answer
    x = 9,269.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.